Oxford Book of English Verse - Electronic version of the print book of the same name, published in 1919. It covers British verse from 1250 to 1900.

Poetry Foundation - Created by the pubishers of the Poetry magazine. Resources include searchable databases of poem and poets and a mobile app.

Sonnet Central - Mostly devoted to English sonnets divided into the following time periods: Early, Elizabethan, 1615-1780, Romantic Era, Victorian, World War I, Early 20th Century. It also includes links to Sonnets from Ireland, Australia and New Zealand, Nineteenth Century Americans and Early Twentieth Century Americans.

Exploring Ancient World Cultures - This multi-award winning site covers the Ancient Near East, Ancient India, Ancient Egypt, Ancient China, Ancient Greece, Ancient Rome, Early Islam, and Medieval Europe. It includes primary texts, such as The Art of War by Sun Tzu, Genesis, The Papyrus of Ani (The Egyptian Book of the Dead) and more.

Labyrinth Library - Texts in Latin, Old English, Middle English, French, Italian, and Spanish and Iberian. Works in English include Sir Gawain and the Green Knight, The Canterbury Tales, Orpheus and Eurydice and more.

Perseus Project's Texts & Translations - Perseus has received many awards for its outstanding coverage of Greek, and more recently Roman, literature, history, art, and archaeology. This link points specifically to the Texts & Translations page, which has links to many of the primary texts archived at Perseus, such as Euclid's Elements, and Homer's Iliad.

Project Gutenberg - One of the most comprehensive collections of electronic texts. Many classic and contemporary works of literature.